Product Content: SANYO DENKI San Ace 38 Low Power (Model 9GA0312H30011)
Product Title
SANYO DENKI San Ace 38 Ultra-Low-Noise DC Fan – 9GA0312H30011 | 38x28mm, 12V, 1.08W, Smooth Frame, 37.0dB(A), Pulse Sensor Only
Product Overview
The SANYO DENKI 9GA0312H30011 represents the ultimate convergence of acoustic excellence, energy efficiency, hygienic design, and cost-effective simplicity within the San Ace 38 series. Engineered for applications where minimal audible disturbance, minimal power draw, maximal surface cleanliness, and simplified control are equally critical, this model operates at an industry-leading 37.0 dB(A) while consuming just 1.08 Watts.
Its defining feature is the smooth, non-ribbed plastic frame (Ribbed: No), which eliminates crevices where dust, microbes, or particles can accumulate — making it uniquely suited for sterile environments such as operating rooms, laboratories, and food-processing facilities. Despite its ultra-low speed of 9,200 RPM, it delivers sufficient airflow (0.22 m³/min / 7.77 CFM) and static pressure (108 Pa / 0.43 inchH₂O) for passive cooling in ultra-low-heat-density systems.
Equipped with a pulse sensor only (no PWM control), it provides real-time RPM feedback for basic diagnostics while eliminating complexity and cost associated with dynamic speed regulation. Certified as an Eco Product by SANYO DENKI and compliant with global safety standards, it supports sustainable design goals while delivering unparalleled silence and ease of maintenance.
Key Features
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Industry-Leading Quietness: Sound pressure level of 37.0 dB(A) — the lowest among all San Ace 38 models, quieter than a whisper.
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Ultra-Low Power Consumption: Only 1.08W rated input — ideal for battery-powered, solar, or energy-constrained systems.
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Smooth, Non-Ribbed Frame: Eliminates dust traps and simplifies sterilization — essential for medical, lab, and food-grade applications.
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Simplified Control Interface: Pulse sensor only — reduces system complexity and BOM cost for fixed-speed applications.
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Acoustic Optimization: Engineered motor and impeller geometry minimize turbulence and vibration for near-silent operation.
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Global Compliance: Meets UL, CSA, EN, RoHS standards; officially recognized as an Eco Product by SANYO DENKI.
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Lightweight & Compact: Weighs only 52g — easy to integrate into space-constrained or portable designs.
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Wide Environmental Tolerance: Operates reliably from -20°C to +70°C.
Technical Specifications
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Parameter
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Specification
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Model Number
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9GA0312H30011
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Series
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San Ace 38 Low Power (9GA Series)
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Manufacturer
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SANYO DENKI Co., Ltd.
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Frame Size
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38 mm x 38 mm
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Thickness
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28 mm
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Rated Voltage
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12 VDC
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Operating Voltage Range
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10.8 ~ 13.2 VDC
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Rated Current
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0.09 A
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Rated Input Power
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1.08 W ← Core Differentiator
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Rated Speed
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9,200 min⁻¹ (RPM)
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Maximum Airflow
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0.22 m³/min (7.77 CFM)
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Maximum Static Pressure
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108 Pa (0.43 inchH₂O)
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Sound Pressure Level (SPL)
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37.0 dB(A) ← Lowest in Class
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Bearing System
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Ball Bearing
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Expected Life
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90,000 hours (at 40°C) / 60,000 hours (at 60°C)
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Operating Temperature
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-20°C to +70°C
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Storage Temperature
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-25°C to +70°C
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Weight
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Approx. 52 g
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Material
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Frame: Plastic / Impeller: Plastic
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Functions
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Pulse Sensor Only, Locked Rotor Detection
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Wire Color Code
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Red (+), Black (-), Yellow (Pulse)
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Certifications
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UL, CSA, EN, RoHS, Eco Product
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Ribbed
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No ← Key Differentiator
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PWM Control Function
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No ← Key Differentiator
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Applications
This ultra-quiet, ultra-low-power, smooth-frame, simplified-control fan is optimized for:
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Medical Monitoring Devices: Patient vital signs monitors, ECG machines, infusion pumps — requiring silent, hygienic, cost-effective operation.
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High-Fidelity Audio Equipment: Amplifiers, DACs, preamps, studio monitors — where even minor fan noise ruins listening experience.
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Laboratory Instruments: Spectrometers, microscopes, chromatographs — needing stable, particle-free, vibration-minimized cooling.
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Food & Beverage Processing: Packaging machines, refrigeration units — requiring washable, non-porous surfaces.
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Consumer Electronics: Smart speakers, VR headsets, gaming consoles — prioritizing immersive, distraction-free experiences.
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Green Technology Systems: Solar charge controllers, IoT sensors — maximizing runtime on limited power budgets.
Wiring & Connection Guide
Standard 3-wire interface:
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Red Wire: +12V Power Input
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Black Wire: Ground (GND)
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Yellow Wire: Pulse Sensor Output (Open collector, 2 pulses per revolution)
Installation Note: This model does not support PWM speed control. It will operate at full rated speed when powered. For variable speed applications, consider models with PWM function (e.g., 9GA0312P3G001).
Why Choose This Model?
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Quietest Fan in Class: At 37.0 dB(A), it’s nearly imperceptible — quieter than a whisper.
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Lowest Power Draw: Only 1.08W — extends battery life and reduces system heat output significantly.
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Cleanest Surface Design: Non-ribbed frame prevents microbial growth and eases sterilization — critical for regulated industries.
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Cost-Effective Simplicity: No PWM circuitry = lower BOM cost and easier integration for fixed-speed needs.
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Acoustic Engineering Excellence: Specifically tuned for minimal turbulence and mechanical resonance.
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Eco-Certified Sustainability: Officially designated as an Eco Product by SANYO DENKI.
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Trusted Reliability: Backed by decades of SANYO DENKI engineering excellence and global certifications.
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